components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/swing/property/TextComponentPropertySynchronizer.java
changeset 827 0944d8c0158b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/swing/property/TextComponentPropertySynchronizer.java	Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,96 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
+ */
+
+package com.oracle.solaris.vp.util.swing.property;
+
+import javax.swing.event.*;
+import javax.swing.text.JTextComponent;
+import com.oracle.solaris.vp.util.misc.converter.StringConverter;
+import com.oracle.solaris.vp.util.misc.property.*;
+import com.oracle.solaris.vp.util.swing.DocumentAdapter;
+
+/**
+ * The {@code TextComponentPropertySynchronizer} class synchronizes a {@link
+ * MutableProperty} with a {@code JTextComponent} so that changes in one will
+ * automatically be reflected in the other.
+ */
+public class TextComponentPropertySynchronizer<T, C extends JTextComponent>
+    extends PropertySynchronizer<T, C> {
+
+    //
+    // Instance data
+    //
+
+    private DocumentListener listener =
+	new DocumentAdapter() {
+	    @Override
+	    public void docUpdate(DocumentEvent e) {
+		objectChanged();
+	    }
+	};
+
+    //
+    // Constructors
+    //
+
+    public TextComponentPropertySynchronizer(MutableProperty<T> property,
+	C comp, boolean initFromProp) {
+
+	super(property, comp, initFromProp);
+	comp.getDocument().addDocumentListener(listener);
+    }
+
+    /**
+     * Constructs a {@code TextComponentPropertySynchronizer} with initial
+     * synchronization from the property to the {@code JTextComponent}.
+     */
+    public TextComponentPropertySynchronizer(MutableProperty<T> property,
+	C comp) {
+
+	this(property, comp, true);
+    }
+
+    //
+    // PropertySynchronizer methods
+    //
+
+    @Override
+    public void desynchronize() {
+	super.desynchronize();
+	getObject().getDocument().removeDocumentListener(listener);
+    }
+
+    @Override
+    public T getValue() {
+	String text = getObject().getText();
+	return getProperty().getConverter().convert(text);
+    }
+
+    @Override
+    public void setValue(T value) {
+	String text = getProperty().getConverter().revert(value);
+	getObject().setText(text);
+    }
+}